C语言实现童年经典——贪吃蛇（附源码呦！）_地图贪吃蛇

typedef struct SnakeNode
{
	int x;
	int y;
	struct SnakeNode* next;
}SnakeNode,* pSnakeNode;

typedef struct Snake
{
	pSnakeNode _pSnake;//蛇的身体节点的指针
	pSnakeNode _pFood;//食物节点的指针
	enum Direction _Dir;//方向
	enum Game_Status _Status;//游戏状态
	int _Score;//总得分
	int _Food_Weight;//当前食物的分数
	int _SleepTime;//休息时间
}Snake,* pSnake;

enum Direction
{
	UP = 1,
	DOWN,
	LEFT,
	RIGHT
};

enum Game_Status
{
	OK,//正常运行
	KILL_BY_WALL,//撞到墙
	KILL_BY_SELF,//撞到自己
	END_NOMAL//正常退出
};

//游戏结束
void GameEnd(pSnake ps)
{
	pSnakeNode cur = ps->_pSnake;
	_SetPos(24, 12);
	switch (ps->_Status)
	{
	case KILL_BY_WALL:
		printf("被墙撞死了！");
		break;
	case KILL_BY_SELF:
		printf("被自己撞死了！");
		break;
	case END_NOMAL:
		printf("主动退出！");
		break;
	}
 
	while (cur)
	{
		pSnakeNode del = cur;
		cur = cur->next;
		free(del);
	}
}

4.源码

4.1 test.c

#define  _CRT_SECURE_NO_WARNINGS
 
#include "Snake.h"
 
//开始游戏
void GameStart(pSnake ps)
{
	//设置窗口为100列30行
	system("mode con cols=100 lines=30");
	//设置窗口名称
	system("title 贪吃蛇");
	//设置光标不显示
	_SetCursorInfo(false);
	//打印欢迎界面
	WelcomeToGame();
	//打印地图
	CreateMap();
	//初始化蛇身
	InitSnake(ps);
	//创建第一个食物
	CreateFood(ps);
}
 
void pause()
{
	while (1)
	{
		Sleep(200);
		if (KEY_PRESS(VK_SPACE))
		{
			break;
		}
	}
}
 
//游戏运行
void GameRun(pSnake ps)
{
	//打印右侧帮助信息
	PrintInfo();
	do
	{
		_SetPos(64, 10);
		printf("分数：%2d", ps->_Score);
		_SetPos(64, 11);
		printf("当前食物分数：%2d", ps->_Food_Weight);
		if (KEY_PRESS(VK_UP) && ps->_Dir != DOWN)
		{
			ps->_Dir = UP;
		}
		else if (KEY_PRESS(VK_DOWN) && ps->_Dir != UP)
		{
			ps->_Dir = DOWN;
		}
		else if (KEY_PRESS(VK_LEFT) && ps->_Dir != RIGHT)
		{
			ps->_Dir = LEFT;
		}
		else if (KEY_PRESS(VK_RIGHT) && ps->_Dir != LEFT)
		{
			ps->_Dir = RIGHT;
		}
		else if (KEY_PRESS(VK_F1))
		{
			if (ps->_SleepTime > 80)
			{
				ps->_SleepTime -= 30;
				ps->_Food_Weight += 2;
			}
		}
		else if (KEY_PRESS(VK_F2))
		{
			if (ps->_Food_Weight>2)
			{
				ps->_SleepTime += 30;
				ps->_Food_Weight -= 2;
			}
		}
		else if (KEY_PRESS(VK_ESCAPE))
		{
			ps->_Status = END_NOMAL;
			break;
		}
		else if (KEY_PRESS(VK_SPACE))
		{
			pause();
		}
		///蛇每次⼀定之间要休眠的时间，时间短，蛇移动速度就快
		Sleep(ps->_SleepTime);
		//蛇的移动
		SnakeMove(ps);
	} while (ps->_Status==OK);
}
 
//游戏结束
void GameEnd(pSnake ps)
{
	pSnakeNode cur = ps->_pSnake;
	_SetPos(24, 12);
	switch (ps->_Status)
	{
	case KILL_BY_WALL:
		printf("被墙撞死了！");
		break;
	case KILL_BY_SELF:
		printf("被自己撞死了！");
		break;
	case END_NOMAL:
		printf("主动退出！");
		break;
	}
 
	while (cur)
	{
		pSnakeNode del = cur;
		cur = cur->next;
		free(del);
	}
}
 
void test()
{
	char n = 0;
	srand((unsigned int)time(NULL));
	do
	{
		Snake Snake = { 0 };
		system("cls");
		//开始游戏
		GameStart(&Snake);
		//游戏运行
		GameRun(&Snake);
		//游戏结束
		GameEnd(&Snake);
		_SetPos(24, 17);
		printf("是否先后来一局？（Y/N）");
		n=getchar();
	} while (n=='Y');
}
 
int main()
{
	setlocale(LC_ALL, "");//修改为本地模式（为了打印宽字符）
	test();
	_SetPos(0, 27);
	return 0;
}

4.2 Snake.h

	#pragma once
 
	#include<windows.h>
	#include<string.h>
	#include<stdio.h>
	#include<stdlib.h>
	#include<stdbool.h>
	#include<locale.h>
	#include<assert.h>
	#include<time.h>
 
	#define POS_X 20
	#define POS_Y 8
	#define KEY_PRESS(VK) (GetAsyncKeyState(VK) &0X1 ? 1 : 0 )
 
 
	typedef struct SnakeNode
	{
		int x;
		int y;
		struct SnakeNode* next;
	}SnakeNode,* pSnakeNode;
 
	enum Direction
	{
		UP = 1,
		DOWN,
		LEFT,
		RIGHT
	};
 
	enum Game_Status
	{
		OK,//正常运行
		KILL_BY_WALL,//撞到墙
		KILL_BY_SELF,//撞到自己
		END_NOMAL//正常退出
	};
	typedef struct Snake
	{
		pSnakeNode _pSnake;//蛇的身体节点的指针
		pSnakeNode _pFood;//食物节点的指针
		enum Direction _Dir;//方向
		enum Game_Status _Status;//游戏状态
		int _Score;//总得分
		int _Food_Weight;//当前食物的分数
		int _SleepTime;//休息时间
	}Snake,* pSnake;
 
	//设置光标位置
	void _SetPos(short x, short y);
 
	//设置光标是否显示
	void _SetCursorInfo(bool a);
 
	//打印欢迎界面
	void WelcomeToGame();
 
	//打印地图
	void CreateMap();
 
	//创建节点
	pSnakeNode BuyNode(short x, short y);
 
	//初始化蛇身
	void InitSnake(pSnake ps);
 
	//创建第一个食物
	void CreateFood(pSnake ps);
 
	//打印右侧帮助信息
	void PrintInfo();
 
	//蛇的移动
	void SnakeMove(pSnake ps);

4.3 Snake.c

#define  _CRT_SECURE_NO_WARNINGS
 
#include "Snake.h"
 
//设置光标位置
void _SetPos(short x, short y)
{
	COORD pos = { x,y };
	HANDLE hOutput = NULL;
	//获取标准输出流句柄
	hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
	//设置光标于所给参数位置
	SetConsoleCursorPosition(hOutput, pos);
}
 
//设置光标是否显示
void _SetCursorInfo(bool a)
{
	HANDLE hOutput = NULL;
	hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
	CONSOLE_CURSOR_INFO CursorInfo = { 0 };
	GetConsoleCursorInfo(hOutput, &CursorInfo);
	CursorInfo.bVisible = a;
	SetConsoleCursorInfo(hOutput, &CursorInfo);
}
 
//打印欢迎界面
void WelcomeToGame()
{
	_SetPos(41, 13);
	printf("欢迎来到贪吃蛇！\n");
	_SetPos(41, 25);
	system("pause");
	system("cls");
	_SetPos(15, 13);
	wprintf(L"按 ↑ . ↓ . ← . → 控制方向；");
	_SetPos(15, 14);
	wprintf(L"按F1加快移动速度并提升食物分数，按F2降低移动速度并减少食物分数；");
	_SetPos(15, 15);
	wprintf(L"按ESC退出游戏，按space暂停/继续游戏；");
	_SetPos(15, 16);
	wprintf(L"不能撞到墙或自己。");
	_SetPos(41, 25);
	system("pause");
	system("cls");
}
 
//打印地图
void CreateMap()
{
	_SetPos(0, 0);
	int i = 0;
	for (i = 0; i < 58; i += 2)
	{
		wprintf(L"%c", L'□');
	}
	_SetPos(0, 26);
	for (i = 0; i < 58; i += 2)
	{
		wprintf(L"%c", L'□');
	}
	for (i = 1; i < 26; i++)
	{
		_SetPos(0, i);
		wprintf(L"%c", L'□');
		_SetPos(56, i);
		wprintf(L"%c", L'□');
	}
}
 
//创建节点
pSnakeNode BuyNode(short x, short y)
{
	pSnakeNode cur = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (cur == NULL)
	{
		perror("InitSnake:: BuyNode::malloc");
		return NULL;
	}
	cur->x = x;
	cur->y = y;
	cur->next = NULL;
	return cur;
}
 
//初始化蛇身
void InitSnake(pSnake ps)
{
	//创建蛇身节点
	int i = 0;
	for (i = 0; i < 5; i++)
	{
		pSnakeNode cur = BuyNode((short)POS_X + i * 2, (short)POS_Y);
 
		if (ps->_pSnake == NULL)
		{
			ps->_pSnake = cur;
		}
		else
		{
			cur->next = ps->_pSnake;
			ps->_pSnake = cur;
		}
	}
 
	//打印蛇的身体
	pSnakeNode cur = NULL;
	cur = ps->_pSnake;
	while (cur)
	{
		_SetPos(cur->x, cur->y);
		wprintf(L"%c", L'●');
		cur = cur->next;
	}
	//初始化蛇的数据
	ps->_Dir = RIGHT;
	ps->_Food_Weight = 10;
	ps->_Score = 0;
	ps->_SleepTime = 200;
	ps->_Status = OK;
}
 
#define FOOD L'◆'
//创建第一个食物
void CreateFood(pSnake ps)
{
	short x = 0;
	short y = 0;
again:
	//随机生成食物节点坐标
	do
	{
		x = rand() % 53 + 2;
		y = rand() % 25 + 1;
	} while (x % 2 != 0);
	pSnakeNode cur = ps->_pSnake;
	//遍历蛇身，食物不能与蛇身重合
	while (cur)
	{
		if (cur->x == x && cur->y == y)
		{
			goto again;
		}
		cur = cur->next;
	}
	//创建食物
	pSnakeNode pFood = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (pFood == NULL)
	{
		perror("pSnakeNode::malloc");
		return;
	}
	else
	{
		pFood->x = x;
		pFood->y = y;
		_SetPos(x, y);
		wprintf(L"%c", FOOD);
		ps->_pFood = pFood;
	}
}
 
//打印右侧帮助信息
void PrintInfo()
{
	_SetPos(62, 15);
	wprintf(L"按 ↑ . ↓ . ← . → 控制方向；");
	_SetPos(62, 16);
	wprintf(L"按F1加快移动速度并提升食物分数,");
	_SetPos(62, 17);
	wprintf(L"按F2降低移动速度并减少食物分数；");
	_SetPos(62, 18);
	wprintf(L"按ESC退出游戏，按space暂停/继续游戏；");
	_SetPos(62, 19);
	wprintf(L"不能撞到墙或自己。");
}
 
//判断下一个坐标是否是食物
int NextIsFood(pSnakeNode nextnode, pSnake ps)
{
	if ((ps->_pFood->x == nextnode->x) && (ps->_pFood->y == nextnode->y))
	{
		return 1;
	}
	else
	{
		return 0;
	}
}
 
//吃食物
void EatFood(pSnakeNode nextnode, pSnake ps)
{
	nextnode->next = ps->_pSnake;
	ps->_pSnake = nextnode;
	pSnakeNode cur = ps->_pSnake;
 
	while (cur)
	{
		_SetPos(cur->x, cur->y);
		wprintf(L"%c", L'●');
		cur = cur->next;
	}
	ps->_Score += ps->_Food_Weight;
	free(ps->_pFood);
	//创建新食物
	CreateFood(ps);
}
 
//不是食物
void NoFood(pSnakeNode nextnode, pSnake ps)
{
	nextnode->next = ps->_pSnake;
	ps->_pSnake = nextnode;
	pSnakeNode cur = ps->_pSnake;
	while (cur->next->next)
	{
		_SetPos(cur->x, cur->y);
		wprintf(L"%c", L'●');
		cur = cur->next;
	}
	pSnakeNode del = cur->next;
	cur->next = NULL;
	_SetPos(del->x, del->y);
	printf("  ");
	free(del);
	del = NULL;
}
 
void KillByWall(pSnake ps)
{
	if ((ps->_pSnake->x == 0) || (ps->_pSnake->x == 56) || (ps->_pSnake->y == 0) || (ps->_pSnake->y == 26))
	{
		ps->_Status = KILL_BY_WALL;
	}
}
 
void KillBySelf(pSnake ps)
{
	pSnakeNode cur = ps->_pSnake->next;
	while (cur)
	{
		if ((cur->x == ps->_pSnake->x) && (cur->y == ps->_pSnake->y))
		{
			ps->_Status = KILL_BY_SELF;
		}
		cur = cur->next;
	}
}
 
//蛇的移动
void SnakeMove(pSnake ps)
{
	pSnakeNode pNextNode = (pSnakeNode)malloc(sizeof(SnakeNode));
	if (pNextNode == NULL)
	{
		perror("SnakeMove::malloc");
		return;
	}
	//确定下⼀个节点的坐标，下⼀个节点的坐标根据，蛇头的坐标和⽅向确定
	switch(ps->_Dir)
	{
		case UP:
		{
			pNextNode->x = ps->_pSnake->x;
			pNextNode->y = ps->_pSnake->y - 1;
		}
			break;
		case DOWN:
		{
			pNextNode->x = ps->_pSnake->x;
			pNextNode->y = ps->_pSnake->y + 1;
		}
			break;
		case LEFT:
		{
			pNextNode->x = ps->_pSnake->x-2;
			pNextNode->y = ps->_pSnake->y;
		}			break;
		case RIGHT:
		{
			pNextNode->x = ps->_pSnake->x+2;
			pNextNode->y = ps->_pSnake->y;
		}
			break;
	}
	//如果下一个位置是食物
	if (NextIsFood(pNextNode, ps))
	{
		//吃食物
		EatFood(pNextNode, ps);
	}
	else//不是食物
	{
		NoFood(pNextNode, ps);
	}
	KillByWall(ps);
	KillBySelf(ps);
}

5.结语

使用上述代码在VS环境下就可以实现一个简单的贪吃蛇小游戏了，喜欢的朋友可以点赞收藏呦。